Scientists have pinned down why a sprinkler spins when it sucks in water instead of spraying it out — a problem that stumped ...

Vague directions, complicated explanations, and poorly sequenced tasks can overwhelm students. These research-backed ...

Check out the rest of our special on the 150th anniversary of the periodic table: Find out why the most beautiful table in ...

Physicists have debated which way a submerged sprinkler sucking in water would spin. Careful experiments provide an answer.

How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – but 100 years on, this trick is a common part of modern maths, says columnist ...

Not sure what today's NYT Connections answers are all about? Find out just what the different words in today's grid mean and how they fit together.

Are you sometimes feeling like, “Enough with the questions, already!” We get it. But when kids ask questions, they learn how ...